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101220210201 = 31131306732261
BaseRepresentation
bin101111001000100110…
…0011101011000011001
3100200021012200102222010
41132101030131120121
53124244333211301
6114255552220133
710212221406435
oct1362114353031
9320235612863
10101220210201
1139a22196090
121774a53a649
13971155bc06
144c831319c5
1529764185d6
hex179131d619

101220210201 has 32 divisors (see below), whose sum is σ = 152032997376. Its totient is φ = 59345496000.

The previous prime is 101220210191. The next prime is 101220210227. The reversal of 101220210201 is 102012022101.

It is not a de Polignac number, because 101220210201 - 29 = 101220209689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220210601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3121411 + ... + 3153671.

It is an arithmetic number, because the mean of its divisors is an integer number (4751031168).

Almost surely, 2101220210201 is an apocalyptic number.

101220210201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101220210201 is a deficient number, since it is larger than the sum of its proper divisors (50812787175).

101220210201 is a wasteful number, since it uses less digits than its factorization.

101220210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35373.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101220210201 its reverse (102012022101), we get a palindrome (203232232302).

The spelling of 101220210201 in words is "one hundred one billion, two hundred twenty million, two hundred ten thousand, two hundred one".

Divisors: 1 3 11 31 33 93 341 1023 3067 9201 32261 33737 95077 96783 101211 285231 354871 1000091 1045847 1064613 3000273 3137541 11001001 33003003 98944487 296833461 1088389357 3067279097 3265168071 9201837291 33740070067 101220210201